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A180936 a(n) is a power of its number of divisors. 4
1, 2, 9, 625, 6561, 21952, 64000, 117649, 4100625, 25937424601, 23298085122481, 29192926025390625, 59604644775390625, 300283484326400961, 48661191875666868481, 104127350297911241532841 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
a(5) = 6561 = 9^4 has 9 divisors.
a(12) = 29192926025390625 = 225^7 has 225 divisors.
CROSSREFS
Sequence in context: A086693 A085605 A336247 * A036878 A162710 A249903
KEYWORD
nonn
AUTHOR
David W. Wilson, Sep 26 2010
STATUS
approved

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Last modified April 24 14:09 EDT 2024. Contains 371960 sequences. (Running on oeis4.)